<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.js"></script>
</head>
<body>
    <script>
    var url="https://douban.uieee.com/v2/movie/top250";
    var xhr=new XMLHttpRequest();
    xhr.open("get" ,url);
    xhr.send();
    xhr.onreadystatechange=function(){
        if(xhr.readyState==0&&xhr.status==200){
            var reponse=xhr.responseText;
            console.log(reponse);
        }
    }
    </script>
</body>
</html>